this is exactly why i have 2 of the 3 cartridges! lol I loooove them, they are the best ones I have found on the market... the most versatile ones yet!
http://www.youtube.com/v/eFPJGHhbfIc?version=3&autohide=1&feature=share&autoplay=1&autohide=1&showinfo=1&attribution_tag=6elXIQ3MRrXTdi0Plpp-GQ